Seattle to Kolkata Time Converter
Kolkata is 13 hours 30 minutes ahead of Seattle right now. 9:00 AM in Seattle is 10:30 PM in Kolkata.
Time now: Seattle and Kolkata
Kolkata is 13 hours 30 minutes ahead of Seattle right now. The gap is not fixed: it is 12 hours 30 minutes at some times of the year and 13 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.
Seattle and Kolkata are about 11,631 km (7,227 miles) apart in a straight line. Right now Seattle is on PST (UTC-08:00) and Kolkata is on IST (UTC+05:30).
Seattle to Kolkata conversion table
Every hour of the day, using today's time difference.
| Seattle | Kolkata |
|---|---|
| 12:00 AM | 1:30 PM |
| 1:00 AM | 2:30 PM |
| 2:00 AM | 3:30 PM |
| 3:00 AM | 4:30 PM |
| 4:00 AM | 5:30 PM |
| 5:00 AM | 6:30 PM |
| 6:00 AM | 7:30 PM |
| 7:00 AM | 8:30 PM |
| 8:00 AM | 9:30 PM |
| 9:00 AM | 10:30 PM |
| 10:00 AM | 11:30 PM |
| 11:00 AM | 12:30 AMnext day |
| 12:00 PM | 1:30 AMnext day |
| 1:00 PM | 2:30 AMnext day |
| 2:00 PM | 3:30 AMnext day |
| 3:00 PM | 4:30 AMnext day |
| 4:00 PM | 5:30 AMnext day |
| 5:00 PM | 6:30 AMnext day |
| 6:00 PM | 7:30 AMnext day |
| 7:00 PM | 8:30 AMnext day |
| 8:00 PM | 9:30 AMnext day |
| 9:00 PM | 10:30 AMnext day |
| 10:00 PM | 11:30 AMnext day |
| 11:00 PM | 12:30 PMnext day |
Best time to meet between Seattle and Kolkata
There is no overlap between 9 AM and 6 PM in both places.
If both sides can be flexible (7 AM – 10 PM):
- 7:00 AM – 9:00 AM Seattle = 8:30 PM – 10:30 PM Kolkata
- 6:00 PM – 10:00 PM Seattle = 7:30 AM – 11:30 AM Kolkata
The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.
Does the time difference between Seattle and Kolkata change?
Yes. Right now Kolkata is 13 hours 30 minutes ahead of Seattle. These are the dates in the next 12 months when the gap changes:
- Sunday, 14 March 2027: Seattle moves its clocks forward. Kolkata is 12 hours 30 minutes ahead of Seattle from then (it was 13 hours 30 minutes before).
- Sunday, 7 November 2027: Seattle moves its clocks back. Kolkata is 13 hours 30 minutes ahead of Seattle from then (it was 12 hours 30 minutes before).
Office hours in each other's time
- 9 AM to 6 PM in Seattle is 10:30 PM to 7:30 AM (next day) in Kolkata.
- 9 AM to 6 PM in Kolkata is 7:30 PM (previous day) to 4:30 AM in Seattle.
Based on today's clock settings.
Frequently asked questions
What is the time difference between Seattle and Kolkata?
Kolkata is 13 hours 30 minutes ahead of Seattle right now. The gap is not fixed: it is 12 hours 30 minutes at some times of the year and 13 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.
How do I convert Seattle to Kolkata?
Add 13 hours 30 minutes to the Seattle time to get the Kolkata time (at today's difference). 9:00 AM in Seattle is 10:30 PM in Kolkata. Or use the converter above and pick any date and time.
What is the current time in Kolkata?
It is 4:50 AM in Kolkata on Tuesday, November 10 (the converter above shows it live). At the same moment it is 3:20 PM in Seattle.
Does the time difference between Seattle and Kolkata change during the year?
Yes. Right now Kolkata is 13 hours 30 minutes ahead of Seattle. Over the next 12 months the gap changes 2 times: Sunday, 14 March 2027: Seattle moves its clocks forward. Kolkata is 12 hours 30 minutes ahead of Seattle from then (it was 13 hours 30 minutes before). Sunday, 7 November 2027: Seattle moves its clocks back. Kolkata is 13 hours 30 minutes ahead of Seattle from then (it was 12 hours 30 minutes before).
What is the best time for a meeting between Seattle and Kolkata?
The two places have no shared working hours (9 AM – 6 PM). The nearest option is 7:00 AM – 9:00 AM Seattle = 8:30 PM – 10:30 PM Kolkata.